diff --git a/test/cpp/src/TestServer.cpp b/test/cpp/src/TestServer.cpp
index 773225e..14a8a8e 100644
--- a/test/cpp/src/TestServer.cpp
+++ b/test/cpp/src/TestServer.cpp
@@ -255,6 +255,12 @@
       return;
     }
   }
+
+  void testAsync(int sleepFor) {
+    printf("testAsync(%d): Sleeping...\n", sleepFor);
+    sleep(sleepFor);
+    printf("testAsync(%d): done sleeping!\n", sleepFor);
+  }
 };
 
 int main(int argc, char **argv) {